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makvit [3.9K]
3 years ago
7

answer asap!!!! How much time will Alex need to walk to his school, which is 2 1/4 miles away from his house, if he would walk w

ith the speed of 2 mph
Mathematics
2 answers:
maxonik [38]3 years ago
4 0

Answer:

0.89h or 53 minutes

Step-by-step explanation:

2m/h / 2.25m

= 0.89h

NARA [144]3 years ago
4 0

Answer:

428

Step-by-step explanation:

2 x 214 = 2 x (200 + 10 + 4) = (2 x 200) + (2 x 10) + (2 x 4) multiply each by 2.

2 x 200 = 400

2 x 10 = 20

2 x 4 = 8

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NEED HELP ON THIS QUESTION PLEASE
Ilia_Sergeevich [38]

Answer:

Sample space= 1, 2, 3, 4, 5, 6

Outcomes= 2, 4, 6

Probability= Number of outcomes/ total number of outcomes

= 3/6 times 2( as 2 dices are rolled)

=6/12

=1/2

Therefore, the probability of getting 2 even number is 1/2

6 0
3 years ago
If the acceleration of an object is given by dv/dt = −2v, Find the position function s(t) if v(0) = 7 and s(0) = 0.
kirill [66]

Answer:

Step-by-step explanation:

Given that acceleration of an object is

\frac{dv}{dt} =-2v\\\frac{dv}{v} =-2dt\\ln v = -2t+C\\

is the solution to the differential equation

Since v(0) =7

we get ln 7 = C

Hence lnv = -2t+ln 7\\v=7e^{-2t}

since velocity is rate of change of distance s we have

v=\frac{ds}{dt} =7e^{-2t}\\s= [tex]s(t) =\frac{-7}{2} (e^{-2t})+C)[

substitute t=0 and s=0

C=7/2

So solution for distance is

s(t) =\frac{-7}{2} (e^{-2t}-1)

4 0
4 years ago
Find the measure of angle A.<br> Please help??
Over [174]

Answer:

4

Step-by-step explanation:

3 0
3 years ago
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The Diaz family bought 7 bags of cookies. Each bag had 14 cookies. They have since eaten 29 of the cookies. How many cookies do
saveliy_v [14]

Answer:

They have 69 cookies left.

Step-by-step explanation:

7 x 14 = 98

98 - 29 = 69

6 0
3 years ago
Parallel lines r and s are cut by two transversals, parallel lines t and u.
romanna [79]

Answer:

the answer is <u><em>2</em></u> on edge

Step-by-step explanation:

7 0
3 years ago
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